package com.gao.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

/**
 * @Author: suGar
 * @Date: 2022/11/13 11:26
 */
@Service
public class PaymentService {

    public String paymentInfo_OK(Integer id) {
        return "线程池：" + Thread.currentThread().getName() + "    paymentInfo_OK:id：" + id;
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandler", commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "3000")
    })
    public String paymentInfo_TimeOut(Integer id) {
        try {
            TimeUnit.SECONDS.sleep(2);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池：" + Thread.currentThread().getName() + "    paymentInfo_TimeOut:id：" + id;
    }

    public String paymentInfo_TimeOutHandler(Integer id) {
        return "线程池：" + Thread.currentThread().getName() + "    paymentInfo_Handler:    网络跑丢了:id：" + id;
    }

    //======服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback", commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),//是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"),
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"),
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60"),
    })
    public String paymentCircuitBreaker(Integer id) {

        if (id < 0) {
            throw new RuntimeException("***********id 不能为负数");
        }
        return Thread.currentThread().getName() + "\t" + IdUtil.simpleUUID();
    }

    public String paymentCircuitBreaker_fallback(Integer id) {
        return "线程池：" + Thread.currentThread().getName() + "    id不能为负数" + id;
    }
}
